The Valve,vacuum Regulating, cataloged under National Stock Number 4820-01-359-0558, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-359-0558 |
| Item Name | Valve,vacuum Regulating |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| Absolute Pressure Setting | 7.4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5701401 | 3/9 Design control — primary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 2601041 | D/9 Drawing number reference only Envirovac Inc Dba Monogram Systems-Rockford Div |
| 2601041-001 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 2600141-001 | C/1 Advisory reference — outside the item-of-supply concept Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4820-01-359-0558 is a Valve,vacuum Regulating, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-359-0558: Body Style: SINGLE CONNECTION, STRAIGHT FLOW; Absolute Pressure Setting: 7.4. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.